Risk factors for nonelective hospitalization in frail and older adult, inner-city outpatients.
D001741:Black or African American; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000553:Ambulatory Care; D005260:Female; D005500:Follow-Up Studies; D016330:Frail Elderly; D006760:Hospitalization; D006801:Humans; D016015:Logistic Models; D008297:Male; D008875:Middle Aged; D015999:Multivariate Analysis; D011320:Primary Health Care; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D012737:Sex Factors; D012959:Socioeconomic Factors; D013997:Time Factors; D014481:United States